H-section steel is an economic section with a more optimized distribution of section area and a more reasonable weight ratio.As all parts of h-beam are arranged at right angles, h-beam has been widely used because of its strong bending resistance, simple construction, cost saving and light structure in all directions.
H-section steel is widely used in civil and industrial structures.
Various large-span industrial plants and modern high-rise buildings, especially in areas with frequent seismic activity and under high temperature working conditions;Large bridge with large carrying capacity, good section stability and large span is required.Heavy equipment;Highways;Ship skeleton;Mine support;Foundation treatment and dam construction;Various machine components.
In the world, the product standard of h-beam is divided into two categories: British system and metric system.
The United States, Britain and other countries adopt the British system, China, Japan, Germany and Russia use the metric system, although the British system and the metric system use different units of measurement, but the h-shaped steel mostly use four dimensions to indicate their specifications, namely: the height of the web H, wing width b, web thickness d and flange thickness t.Although different countries in the world have different methods to represent the size of h-beam.
But the size range and size tolerance of the product produced are not different greatly.